Low Cost GPS-DO 10-24Mhz

Low Cost GPS-DO 10-24Mhz

This project is intend to be used for a SDRPlay , RSPdx-R2 24Mhz reference. It’s should be low cost and can be easly reproductible. Design…

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Automatically transmit WSPR without onboard GPS or clock on the UBITX

Automatically transmit WSPR without onboard GPS or clock on the UBITX

If you have UBTIX V4, or V5, you can use the WSPR function, ref > http://www.hamskey.com/2018/03/beta-testing-of-stand-alone-wspr.html But, WSPR need precise transmission synch , UBITX does’t…

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23cm NBFM Transceiver

23cm NBFM Transceiver

Ci dessous la description d’un transceiver 23cm FM, avec lequel j’ai effectué QSO via F5ZSL , en compagnie de Stephan F8IFT. Fonctions: Couverture de 1260…

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PE4302 Variable attenuator controller project

PE4302 Variable attenuator controller project

This PCB is based from this project BATC PE4302 PE4302 – GERBER CADCAM

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Ampli VHF

Ampli VHF

Un ampli VHF basé sur un (très vieux) module hybride 3 étages, MV20, increvable, pour la bidouille. entrée max 200mw. Les mesures: @12,5v @16v 135Mhz…

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